Medium and Heavy Trucks
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Hi Ray. My name is***** will try to help. Could you send some pics using the paperclip link above?
Click on this link for the online parts catalog to compare the differences between engines.
Thanks for the update Ray. The only way you might be able to get away with it is to use your existing ECM and harness but we will need to be sure All the sensors are the same and the other concern is the emissions changes between the two engines which would create a software problem as you suspected. Is your current block still good? If so it would be much better to rebuild yours if possible.